Respuesta :
we know that
the sum of the residuals must be equal to zero
let
x------> the third residual
-12+24+x=0
12+x=0-----> add -12 both sides
x=-12
the answer is
the third residual is -12
the sum of the residuals must be equal to zero
let
x------> the third residual
-12+24+x=0
12+x=0-----> add -12 both sides
x=-12
the answer is
the third residual is -12